243464 has 16 divisors (see below), whose sum is σ = 491820. Its totient is φ = 112320.

The previous prime is 243461. The next prime is 243469. The reversal of 243464 is 464342.

243464 = T₁₈₇ + T₁₈₈ + ... + T₁₉₉.

It is a happy number.

243464 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 240100 + 3364 = 490^2 + 58^2 .

It is not an unprimeable number, because it can be changed into a prime (243461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067 + ... + 1274.

2²⁴³⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

243464 is an abundant number, since it is smaller than the sum of its proper divisors (248356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243464 is a wasteful number, since it uses less digits than its factorization.

243464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360 (or 2356 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 243464 is about 493.4207129823. The cubic root of 243464 is about 62.4422079110.

It can be divided in two parts, 243 and 464, that added together give a palindrome (707).

The spelling of 243464 in words is "two hundred forty-three thousand, four hundred sixty-four".